Files
snapd/progress/progress_test.go
2015-06-08 16:25:07 +02:00

151 lines
3.4 KiB
Go

// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2014-2015 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package progress
import (
"fmt"
"io/ioutil"
"os"
"testing"
. "gopkg.in/check.v1"
)
// Hook up check.v1 into the "go test" runner
func Test(t *testing.T) { TestingT(t) }
type ProgressTestSuite struct {
attachedToTerminalReturn bool
originalAttachedToTerminal func() bool
}
var _ = Suite(&ProgressTestSuite{})
func (ts *ProgressTestSuite) MockAttachedToTerminal() bool {
return ts.attachedToTerminalReturn
}
func (ts *ProgressTestSuite) TestSpin(c *C) {
f, err := ioutil.TempFile("", "progress-")
c.Assert(err, IsNil)
defer os.Remove(f.Name())
oldStdout := os.Stdout
os.Stdout = f
t := NewTextProgress()
for i := 0; i < 6; i++ {
t.Spin("m")
}
os.Stdout = oldStdout
f.Sync()
f.Seek(0, 0)
progress, err := ioutil.ReadAll(f)
c.Assert(err, IsNil)
c.Assert(string(progress), Equals, "\rm[|]\x1b[K\rm[/]\x1b[K\rm[-]\x1b[K\rm[\\]\x1b[K\rm[|]\x1b[K\rm[/]\x1b[K")
}
func (ts *ProgressTestSuite) testAgreed(answer string, value bool, c *C) {
fout, err := ioutil.TempFile("", "progress-out-")
c.Assert(err, IsNil)
oldStdout := os.Stdout
os.Stdout = fout
defer func() {
os.Stdout = oldStdout
os.Remove(fout.Name())
fout.Close()
}()
fin, err := ioutil.TempFile("", "progress-in-")
c.Assert(err, IsNil)
oldStdin := os.Stdin
os.Stdin = fin
defer func() {
os.Stdin = oldStdin
os.Remove(fin.Name())
fin.Close()
}()
_, err = fmt.Fprintln(fin, answer)
c.Assert(err, IsNil)
_, err = fin.Seek(0, 0)
c.Assert(err, IsNil)
license := "Void where empty."
t := NewTextProgress()
c.Check(t.Agreed("blah blah", license), Equals, value)
_, err = fout.Seek(0, 0)
c.Assert(err, IsNil)
out, err := ioutil.ReadAll(fout)
c.Assert(err, IsNil)
c.Check(string(out), Equals, "blah blah\n"+license+"\nDo you agree? [y/n] ")
}
func (ts *ProgressTestSuite) TestAgreed(c *C) {
ts.testAgreed("Y", true, c)
ts.testAgreed("N", false, c)
}
func (ts *ProgressTestSuite) TestNotify(c *C) {
fout, err := ioutil.TempFile("", "notify-out-")
c.Assert(err, IsNil)
oldStdout := os.Stdout
os.Stdout = fout
defer func() {
os.Stdout = oldStdout
os.Remove(fout.Name())
fout.Close()
}()
t := NewTextProgress()
t.Notify("blah blah")
_, err = fout.Seek(0, 0)
c.Assert(err, IsNil)
out, err := ioutil.ReadAll(fout)
c.Assert(err, IsNil)
c.Check(string(out), Equals, "blah blah\n")
}
func (ts *ProgressTestSuite) TestMakeProgressBar(c *C) {
var pbar Meter
ts.originalAttachedToTerminal = attachedToTerminal
attachedToTerminal = ts.MockAttachedToTerminal
defer func() {
// reset
attachedToTerminal = ts.originalAttachedToTerminal
}()
ts.attachedToTerminalReturn = true
pbar = MakeProgressBar()
c.Assert(pbar, FitsTypeOf, NewTextProgress())
ts.attachedToTerminalReturn = false
pbar = MakeProgressBar()
c.Assert(pbar, FitsTypeOf, &NullProgress{})
}